Gaya APA

Riyanto, S., N.H., L. (2008). A quick and effective strategy to understand structures and written expression toefl test : kupas tuntas strategi cepat dan efektif memahami soal structure and written expression . Yogyakarta: Pustaka Pelajar.

Gaya MLA

Riyanto, Slamet., N.H., Leila. "A quick and effective strategy to understand structures and written expression toefl test : kupas tuntas strategi cepat dan efektif memahami soal structure and written expression". Yogyakarta: Pustaka Pelajar, 2008. Text.